[RFC PATCH v2 1/4] arm64: defconfig: increase NR_CPUS range to 2-128

Zi Shen Lim
2014-12-09T01:57:03Z

Hi Arnd,

On Mon, Nov 24, 2014 at 3:53 AM, Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Saturday 22 November 2014 02:53:27 Ganapatrao Kulkarni wrote:
> > Raising the maximum limit to 128. This is needed for Cavium's
> > Thunder system that will have 96 cores on Multi-node system.
> >
> > Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@caviumnetworks.com>
> >
>
> Could we please raise the compile-time limit to the highest number that
> you are able to boot successfully on some existing machine?
>
> There isn't much point in doubling this every few months.

Agreed. If we look back at [1], Mark Rutland has actually compiled and
boot-tested NR_CPUS=4096 on Juno.

[1] https://lkml.org/lkml/2014/9/8/537

>
> Arnd
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel